Keith Goldfeld, DrPH, MS, MPA, is a biostatistician whose work focuses on health services research, cluster randomized trials, and Bayesian methods for complex trial designs. His research collaborations span palliative and geriatric care, addiction, and pragmatic clinical trials. As a graduate student at Columbia University’s Mailman School of Public Health, his research focused on the relationship between palliative care and quality-adjusted survival among nursing home residents with dementia. As associate professor in the Department of Population Health at NYU Grossman School of Medicine, he is currently collaborating on ED-LEAD, an NIH-funded study to improve care for people living with dementia. He has also contributed to major NIH-funded trials including PRIM-ER, EMPallA, and HAS-QOL. In addition, he developed simstudy, an R package that enables researchers and students to generate simulated data for a wide range of research study designs, which he showcases on his blog ouR data generation.